Electrostatic energy
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Static electricity can be induced by rubbing two insulators together.
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Thermo-electric energy
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Thermo-electric energy can produce electrical energy from heat energy.
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Electrochemical energy
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Producing electrical energy from chemical energy is known as electrochemical energy. Most car batteries operate in this way.
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Photo-voltaic energy
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Producing electrical energy from light energy is known as photo-voltaic energy.
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Piezo-electric energy
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Producing electrical energy from mechanical stress is known as piezo-electric energy.
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Electromagnetic induction
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When a conductor cuts across a magnetic field, current flows in the conductor.
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Electromagnetic components
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When an electrical current passes through a wire, a small magnetic field is produced around the wire.
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| Solar cells |
A solar cell, or photovoltaic cell, is a semiconductor device consisting of a large-area p-n junction diode, which, in the presence of sunlight is capable of generating usable electrical energy. |
